Move RISCV env. var. setting interal to scripts

.github/actions/run-tests/action.yml

@@ -15,9 +15,6 @@ runs:
   steps:
     - name: run rtl build script cache of chipyard root should have been loaded by prepare-rtl
       run: |
-        export RISCV="$GITHUB_WORKSPACE/riscv-tools-install"
-        export LD_LIBRARY_PATH="$RISCV/lib"
-        export PATH="$RISCV/bin:$PATH"
         ./.github/scripts/${{ inputs.run-script }} ${{ inputs.project-key }}
       shell: bash
 

.github/scripts/build-extra-tests.sh

@@ -3,13 +3,13 @@
 # turn echo on and error on earliest command
 set -ex
 
-export RISCV="$GITHUB_WORKSPACE/riscv-tools-install"
-export LD_LIBRARY_PATH="$RISCV/lib"
-export PATH="$RISCV/bin:$PATH"
-
 # get shared variables
 SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
 source $SCRIPT_DIR/defaults.sh
 
+export RISCV="$GITHUB_WORKSPACE/riscv-tools-install"
+export LD_LIBRARY_PATH="$RISCV/lib"
+export PATH="$RISCV/bin:$PATH"
+
 make -C $LOCAL_CHIPYARD_DIR/tests clean
 make -C $LOCAL_CHIPYARD_DIR/tests

.github/scripts/run-firesim-scala-tests.sh

@@ -13,6 +13,10 @@ source $SCRIPT_DIR/defaults.sh
 # call clean on exit
 trap clean EXIT
 
+export RISCV="$GITHUB_WORKSPACE/riscv-tools-install"
+export LD_LIBRARY_PATH="$RISCV/lib"
+export PATH="$RISCV/bin:$PATH"
+
 # Directory locations for handling firesim-local installations of libelf/libdwarf
 # This would generally be handled by build-setup.sh/firesim-setup.sh
 firesim_sysroot=lib-install

.github/scripts/run-tests.sh

@@ -9,6 +9,10 @@ set -ex
 SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
 source $SCRIPT_DIR/defaults.sh
 
+export RISCV="$GITHUB_WORKSPACE/riscv-tools-install"
+export LD_LIBRARY_PATH="$RISCV/lib"
+export PATH="$RISCV/bin:$PATH"
+
 run_bmark () {
     make run-bmark-tests-fast -j$CI_MAKE_NPROC -C $LOCAL_SIM_DIR $@
 }